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-   -   sx3/sv (http://www.oople.com/forums/showthread.php?t=112797)

madmulc 17-10-2012 02:50 PM

sx3/sv
 
I was wondering if anybody has built a 2wd schumacher with the rear end of a cat sx3 (mid motor) and the front end of a cougar? which would make a similar lay out as the Kyosho DB1. I think that this combination would make a well balanced car. what are your thoughts?
cheers
Pete

Chris-S 17-10-2012 03:11 PM

I have seen one at Silverstone, John Spencer I think (could be wrong though). I can't see how it will different from any mid motor transverse motor car, the DB1 being a very different. concept

madmulc 17-10-2012 05:24 PM

Quote:

Originally Posted by Chris-S (Post 704803)
I have seen one at Silverstone, John Spencer I think (could be wrong though). I can't see how it will different from any mid motor transverse motor car, the DB1 being a very different. concept

Hi Chris, My thoughts where to have the motor midway down the car to make it more balanced which in turn should have the car perform better which is the same as the DB1. the only differance would be the schumacher being belt driven.

gixxer 17-10-2012 10:59 PM

Best thing to do is try it mate, I have a db1 and am now making summin simular its about half done at the moment, with my engineering background I like trying stuff and tinkering and see how it goes :)

Origineelreclamebord 18-10-2012 05:33 AM

I think a similar project has been done with a TRF501X a few years back - the TRF201 wasn't out yet, but the guy wanted a 2WD buggy, so he converted the 501X to 2WD with another front end I believe. I can't find the thread, but it was an interesting project... It should go extremely quick when the grip is there :)

Tweaky 19-10-2012 06:33 AM

I've done one, and the bits for conversion are still for sale

http://www.oople.com/forums/showthre...ght=conversion

Worked really well too.

I've also built a Tamiya 201/502x, but this isn't as good as a Schumi setup, although it does look rather special.

madmulc 19-10-2012 07:46 AM

Quote:

Originally Posted by Tweaky (Post 705298)
I've done one, and the bits for conversion are still for sale

http://www.oople.com/forums/showthre...ght=conversion

Worked really well too.

I've also built a Tamiya 201/502x, but this isn't as good as a Schumi setup, although it does look rather special.

Thanks for the advice everyone,

Tweaky, your sx3/sv looks great however when I do mine I want to design a new chassis and not modifiy the sx3. which shell did you use on the car?

cheers
Pete

Tweaky 19-10-2012 08:22 AM

Quote:

Originally Posted by madmulc (Post 705309)
Thanks for the advice everyone,

Tweaky, your sx3/sv looks great however when I do mine I want to design a new chassis and not modifiy the sx3. which shell did you use on the car?

cheers
Pete

Hi Pete, the shell is a ProLine Bulldog Asociated B44, 2012 version.

A dedicated chassis would be the next step, then you can keep your sx3 intact just in case you wanted to convert it back.

If i can help you with anything else, let me know
Cheers
Paul

TARTMAN 19-10-2012 09:55 AM

??
 
you say the conversion for £50....


then you will chuck in the SX3 as well for another £20?

is that right or am i reading it wrong?

TARTMAN 19-10-2012 09:56 AM

ok
 
got it. lol, read again.........
it is morning time. the conversion would be £20 more on top of the sx3 haha..... should have gone to bed earlier..........

Essexboyracer 19-10-2012 09:59 PM

I'd be interested to hear how your project goes, as I'm in the process of trying something similar.

I've converted my Cat sx2 to 2wd as a stopgap to buying a new 2wd, and I've had quite a job getting the rear to behave when exiting corners.

I think I've learned that the rear camber link is part of the solution, as it is designed with kit settings to make the rear go "loose" to help cornering. On a 2wd I didn't find that was particularly desirable, and I tried it in the middle setting last sunday for 2 packs on a fairly moist grass track, and it seemed a lot better. It was great round corners, expecially medium fast and fast corners, and seemed very balanced.

I've also got 60g under the rear gearbox which I felt it needed on the bumpy grass track I race at, I may try without at some point.

Anyway, I'm hoping it will go well this sunday with some competition now I think I've got the settings roughly in the right ball park.

madmulc 07-11-2012 04:28 PM

Quote:

Originally Posted by Essexboyracer (Post 705562)
I'd be interested to hear how your project goes, as I'm in the process of trying something similar.

I've converted my Cat sx2 to 2wd as a stopgap to buying a new 2wd, and I've had quite a job getting the rear to behave when exiting corners.

I think I've learned that the rear camber link is part of the solution, as it is designed with kit settings to make the rear go "loose" to help cornering. On a 2wd I didn't find that was particularly desirable, and I tried it in the middle setting last sunday for 2 packs on a fairly moist grass track, and it seemed a lot better. It was great round corners, expecially medium fast and fast corners, and seemed very balanced.

I've also got 60g under the rear gearbox which I felt it needed on the bumpy grass track I race at, I may try without at some point.

Anyway, I'm hoping it will go well this sunday with some competition now I think I've got the settings roughly in the right ball park.

Well so far I have managed to make a rough chassis out of wood (table place mat, Shhhhh dont tell the wife :p) before i make a carbon fibre copy. I need to make narrower at the sides of the batteries, also Im not sure what shell to use or to make one. anyway here is a quick pic of what I have done so far.

I will upload Pics later

lordnikon 07-11-2012 04:44 PM

One of the Schumacher lads at TORCH had one of these. Built by i think his dad or possibly his dads friend iirc. Went well but anything seems to be quick in the ex-TC guys hands lol

madmulc 22-11-2012 04:37 PM

5 Attachment(s)
Quote:

Originally Posted by madmulc (Post 711334)
Well so far I have managed to make a rough chassis out of wood (table place mat, Shhhhh dont tell the wife :p) before i make a carbon fibre copy. I need to make narrower at the sides of the batteries, also Im not sure what shell to use or to make one. anyway here is a quick pic of what I have done so far.

I will upload Pics later

this what i have done so far, im about to start making a chassis out of fibre glass.

Attachment 45626

Attachment 45627

Attachment 45628

Attachment 45629

Attachment 45630

Groomi 24-11-2012 11:29 AM

Looking good. I love these 'specials' that people come up with. :)

madmulc 24-11-2012 09:22 PM

4 Attachment(s)
Well I have now made a fibreglass chassis however Im not happy with it so Im going back to the drawing board. but here are a few pics so far.Attachment 45732

Attachment 45733

Attachment 45734

Attachment 45735

Tom3012 25-11-2012 12:27 AM

Looks good! The only thing id change would be your motor slot make it 'thinner' and 'shorter' you dont have much material left on the side at the moment and it could snap upon an impact...

Other than that looks nice!!

Origineelreclamebord 25-11-2012 07:12 AM

I think you'll be (too?) tight on space if you use a saddle pack... Other than I can only say this looks very, very nice! :thumbsup:

mrspeedy 26-11-2012 09:10 PM

Lookin' good ... could be the best layout for a mid motor buggy yet !!! Can you not space the motor up so the motor sits on the chassis rather than cut a big hole in it ?

Tom3012 26-11-2012 11:05 PM

Quote:

Originally Posted by mrspeedy (Post 716692)
Lookin' good ... could be the best layout for a mid motor buggy yet !!! Can you not space the motor up so the motor sits on the chassis rather than cut a big hole in it ?

Could do... Centre of gravity and all that though i guess

Spencer Mulcahy 27-11-2012 08:54 AM

Can you use thicker CF and use a router to cut an indentation for the motor.

madmulc 27-11-2012 11:40 AM

Quote:

Originally Posted by Spencer Mulcahy (Post 716806)
Can you use thicker CF and use a router to cut an indentation for the motor.

To be honest im not all that happy with the chassis so I am going back to the drawing board and starting again, although your idea does seem a good one which i Had not thought about, I dont really want to use a thicker chassis but I suppose I could go upto a 2.5mm. I am thinking about doing to chassis when im happy with them 1 in fibreglass and one in carbon fibre.

Im looking at the possibility of shifting wieght around the car by moving the batteries into a number of positions which would give a differant feel to the car every time.
As I race at www.stokercmcc.co.uk I was hoping to have the car finnished by January ready to start our new season but the way things are going its not looking good :o all work and no play :thumbdown:.


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